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A 66-million-year-old tooth reveals T.
rex was nearly as warm as Chemical clues preserved inside fossilized T. Chemical clues preserved inside fossilized T.
Dr. Kai NakamuraChief Science CorrespondentPublished Sep 20, 2026 at 4:30 PM EDT · 1 min read
rex was nearly as warm as Chemical clues preserved inside fossilized T. Chemical clues preserved inside fossilized T.
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